Russia’s president fires senior military officers for failing to stop a naval base ______ by wildfires that have killed 48.A.being sweptB.sweptC.to be sweptD.having swept
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A解析考查非谓语动词。stop...from doing,其中from可以省略变成stop... doing...意思是组织做某事。这里意为‘阻止海军基地被大火烧毁’所以要用被动语态be done，于是就变成了‘stop a naval base being swept’。